Mismagius

Its cries sound like incantations to torment the foe. It appears where you least expect it.

Sleeping Spell (30): Flip a coin. If heads, the Defending Pokémon is now Asleep.

Poltergeist (30×): Look at your opponent's hand. This attack does 30 damage times the number of Trainer, Supporter, and Stadium cards in your opponent's hand.